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Finding the Third Proportional to 2,009 and 2,667

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Solution

The third proportional to 2,009 and 2,667 is: 3,540.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009 : 2,667 = 2,667 : x
  2. Step 2: Convert to fraction form
    2,009/2,667 = 2,667/x
  3. Step 3: Cross multiply
    2,009x = 2,667 × 2,667
  4. Step 4: Simplify right side
    2,009x = 7,112,889
  5. Step 5: Solve for x
    x = 7,112,889/2,009
  6. Step 6: Final answer
    x = 3,540.51

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.